MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to websites hosted on compromised CMS platforms, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The presence of multiple compromised upload links suggests a coordinated effort to host and distribute malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/332361532b954cc146135a8839b8e0e3/53215662481.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/9bfdd8c00bd76f0ba5ce7ca118f98f41/17344997706.pdf
- http://eko-inwest.eu/upload/file/visofomiwawafopegipif.pdf
- https://oncallanatomist.org/ckfinder/userfiles/files/xefulozuvoxajolaregived.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/cogqc81fbq3o3cmo8jpr9kq7cu/9685369894.pdf
- http://cp-1.ru/userfiles/files/vekuzinu.pdf
- http://aisef.org/uploads/userfiles/file/file/79668921300.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609605a01fa34---98904348337.pdf
- http://hysansam.com/fckeditor/userfiles/image/zuxugujixowuxed.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ce556d7df---guwajapumanovi.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0865285bd6---24192720156.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609001e308a83---xorexex.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/2222bc9789c96eeaa34ff89c91a43f05/wewoven.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702222af79a---kimobetadojilivorurokume.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608085034092d---falopuwok.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c787c0fbe---womunixi.pdf
- http://bielwod.com/userfiles/file/56120275396.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2b506dd75---negulunukan.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebefd10c37---6358269174.pdf
- https://appchecar.com/ckfinder/userfiles/files/wesunekov.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/923ad3ee266ed5adf516b12e7a865e8c/lirinubep.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/aefc38b7d032a5cee3940b903a25b6ac/73784197512.pdf
- http://matras-devison.com/upload/file/78331659540.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a8d1d11774dc2901ba2b3433378db44b/45494339486.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bed357a779d---5707709514.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d41b00ae780---roribajobiwokizetekabi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=worksheet+on+living+and+nonliving+things+for+class+3
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c5a4.bin6e0549e0a5b5553ef05d0351fd3b83ab74fca28e99606cd25df5ac6bdca9f642 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5A4 | 16456 bytes |
font_01_sfnt_off0000f053.bin52e644671102eb8d484e7f0aa4d026803393b091bfb9b76ea23d33cce69508c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF053 | 11080 bytes |
font_02_sfnt_off000109fe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FE | 16792 bytes |
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